Improvement in vapoe-lamp buenees



@einen tetes @anni @ffice W. W. JACOBS, 0F HAGERSTO'WN, MARYLAND.

Letters .Patent No. 70,573, `dated November 5, 1867.

IMPROVEMENT IN VAPOR-LAMP BURNERS.

TO ALL 'WHOM IT MAY CONC'ERN:

Be it known that I, W. W. JACOBS, of Hagerstown, county of Washington,in the State of Maryland, have l invented a new and Improved Jet-Burnerfor Lamps; and I do hereby declare that the following is a full andexact description thereof` reference being had to theaccmpanyingdrawings, making a. part of this specification, and to the letters ofreference marked thereon, in which like parts are indicated by likeletters in the severalfigures.

The nature of my invention consists in an improvement on the jet-burnerin common use, and consists in having the metallic screw and 'tube inone piece, with no tubing below the screw, and with a small pan orconcave disk around the tube below the jet-holes. v -f 'lo enable othersskilled in the art to make and use my invention. I will proceed todescribe it. In the Vdrawin gs- Figure l is an elevation of my improvedburner,and

Figure 2 a central vertical section.

A represents the tube, well secured into the screw-cap B, and passingdown to its bottom, being also well secured there. The screw-capis-hollow, and there 'is no'hole through it passing into the lamp. Ihave, howe'ver, two lateral holes, a a, in'the sides of screw-cap abovelamp. This arrangement prevents any spilling or evaporation of the Huid.The holes in screw-cap keep it and lower part of tube cooler. Crepresents the wick suspended from the. tube. The height of -wick musthe regulated by circumstances; say it may be within three-fourths of aninch of the jet-holes, and can extend to the bottom of the lamp. Thewick should fill the tube well. D is aconcave disk or rim, sccurcd tothe tube below the jet-holesb b. This is intended to hold a few drops offluid, ivhieh, boing lighted, heatsthc tube l,and generatesv some gas,which is ignited as soon as it escapes from the holes b b. This promotessafety .and convenience.y f

Having thus described my invention, what I claim as new, and desire tosecure by Letters' Patent ofthe United States, is

The combination of tube A Pan D, screw-cap B, and Wick C, constructedand arranged substantially as' shown and for the purpose setforth.

W. W. JACOBS.

Witnesses:

' CEAS. L. Annu., H. K. WEBER.

